CN105750469B - One discharge plate forging forging mold and forging method - Google Patents
One discharge plate forging forging mold and forging method Download PDFInfo
- Publication number
- CN105750469B CN105750469B CN201610312151.XA CN201610312151A CN105750469B CN 105750469 B CN105750469 B CN 105750469B CN 201610312151 A CN201610312151 A CN 201610312151A CN 105750469 B CN105750469 B CN 105750469B
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- forging
- finished product
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- lower die
- mold
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- 238000005242 forging Methods 0.000 title claims abstract description 124
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 238000003303 reheating Methods 0.000 claims abstract description 13
- 239000000047 product Substances 0.000 claims description 56
- 239000011265 semifinished product Substances 0.000 claims description 12
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to a discharge plate forging forging mold and forging methods, belong to metal forging technical field.The mold includes molding the finished product upper mold and finished product lower die that rear interior cavity coincide with forging finished product shape, further include at least a pair of preposition upper mold and preposition lower die, the preposition upper mold and preposition lower die molding rear interior cavity are made of the receiving portion of the forming part and receiving forge piece blank reheating shape coincide with forging finished product shape.The present invention not only replaces free forging process with contour forging technique, forging formed precision is high, part disk like members can take precision die forging process, material is saved, greatly improves stock utilization, and use the molding method of subregion, reduce the forming force of entire forming process, need to only use the press apparatus of smaller tonnage that the production of larger size disc like members can be completed, can abundant excavating equipment potential, avoid unnecessary equipment investment and energy consumption.
Description
Technical field
The present invention relates to a kind of forging molds, especially a discharge plate forging forging mold, also relate to forge accordingly
Method is made, metal forging technical field is belonged to.
Background technology
It is widely used in disk-like accessory on all kinds of mechanical equipments usually forging.Contour forging technique is since blank is in mold
Middle molding, forging surplus is small, can be done directly the forming for the complex section that rib, reinforcing rib etc. need not be processed, therefore be suitble to
Produce the forging of variously-shaped complexity.
In practice, large disc type part normally shape is relatively easy, using contour forging technique more be suitble to, but because its outer circle compared with
Greatly, the projected area in forging process for fuel direction is larger, thus required deformation force is big, and often existing forging equipment tonnage is difficult to full
Foot molding needs, and tonnage will not enough make the higher angle position tended to of flank etc that can not be full of, and tries to increase forming force
It is easy to cause mold and carries excessive deform.As a result, it has to be produced using free forging process.However the shape of open die forging forging
Shape and size will manually operation and control, forging precision is low, and allowance is big, and labor intensity is big, and productivity is low.
How under the conditions of existing equipment, by the innovation to mold and forging technology, realize with relatively small forging
Forming force completes the die forging production of large disc type part, becomes the project for being worth research.
Invention content
It is an object of the invention to：For disk like members open die forging, time-consuming and laborious, low production efficiency, waste of raw materials are serious
Problem proposes a kind of disk forging forging mold that required forging molding can be properly completed under the conditions of smaller tonnage plants,
Provide corresponding forging method simultaneously.
In order to reach object above, the basic technical scheme of disk forging forging mold of the invention is：After molding
The finished product upper mold and finished product lower die that inner cavity and forging finished product shape are coincide, further include at least a pair of preposition upper mold and preposition lower die,
The preposition upper mold and preposition lower die molding rear interior cavity by the forming part identical with forging finished product shape and are received outside forge piece blank reheating
The receiving portion of shape is constituted.
Forging method using the present invention includes the following steps：
After preposition upper mold and preposition lower die are separately mounted on forging equipment, forge piece blank reheating is placed in for the first step
Preposition lower die corresponds to the position positioning of receiving portion；
Second step starts forging equipment, and forge piece blank reheating is made to correspond to the drape forming of preposition upper mold and preposition lower die forming part
It coincide with forging finished product shape, becomes semi-finished product forging；
Third step, preposition upper mold and preposition lower die are converted into finished product upper mold and finished product lower die after, by semi-finished product forging
Molded region is placed in the positioning of finished product lower die corresponding position；
4th step starts forging equipment, make semi-finished product forging correspond to the unformed region of finished product upper mold and finished product lower die at
Shape is coincide with forging finished product shape, completes forging.
Compared with prior art, the present invention not only replaces free forging process with contour forging technique, and forging formed precision is high, part
Disk like members can take precision die forging process, save material, greatly improve stock utilization, and use the molding side of subregion
Method reduces the forming force of entire forming process, need to only use the press apparatus of smaller tonnage that larger size disc class can be completed
The production of part, can abundant excavating equipment potential, avoid unnecessary equipment investment and energy consumption.It is forged into simultaneously because reducing
Type power extends die life, effectively mould invalidation is inhibited to crack.The subregion die forging method of the present invention is particularly well suited to
Disk like members, the forging part larger to forming forces such as rod-like member, Y-piece, shaped pieces, can also be used.
Further, after the preposition upper mold and preposition lower die mold, inner cavity is by the forming part identical with forging finished product shape
It is constituted with the receiving portion coincideing with forge piece blank reheating shape.
Further, the finished product upper mold and finished product lower die are made of the preposition upper mold and preposition lower die for inlaying removable mold core.
Further, institute's receiving portion contains positioned at the removable mold core installation position of preposition upper mold.
Further, the removable mold core that preposition lower die center is contained in described accommodation section positions recessed.
Further, the removable mold core has the forming part coincideing with forging finished product shape and determines with the removable mold core
The convex of the recessed matching in position.
Description of the drawings
The present invention will be further described below with reference to the drawings.
Fig. 1 is the structural schematic diagram before the preposition mold clamping of the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram after Fig. 1 moldings.
Fig. 3 is the finished product die mould-matching structure schematic diagram of Fig. 1 embodiments.
Fig. 4 is the forge piece blank reheating structural schematic diagram of Fig. 1 embodiments.
Fig. 5 is semi-finished product forging structural schematic diagram made of Fig. 4.
Fig. 6 is finished product forging deflashing pre-structure schematic diagram made of Fig. 4.
Fig. 7 is structural schematic diagram after finished product forging deflashing made of Fig. 4.
Fig. 8 is the structural schematic diagram before the preposition mold clamping of the embodiment of the present invention two.
Fig. 9 is the structural schematic diagram after Fig. 8 moldings.
Figure 10 is that the finished product die of Fig. 8 embodiments molds pre-structure schematic diagram.
Figure 11 is the finished product die mould-matching structure schematic diagram of Fig. 8 embodiments.
Specific implementation mode
Embodiment one
The disk forging forging mold of the present embodiment is as shown in Figure 1 to Figure 3, including two pairs of molds, one pair of which such as Fig. 1,2
It is shown, it is made of preposition upper mold 1 and preposition lower die 2, after preposition upper mold 1 and preposition lower die 2 mold, inner cavity is split into two halves area, by
The forming part 3 coincideing with forging finished product shape and the receiving portion 4 coincideing with forge piece blank reheating shape are constituted.Another pair mold such as Fig. 3
Finished product upper mold 1 ' and finished product lower die 2 ' shown, coincide with forging finished product shape for molding rear interior cavity.
In order to inhibit to divide the offsetting power of shape forging process mold into, avoid excessive offsetting that forging is caused to be scrapped and mold
Tearing tendency, the mold of the present embodiment are provided with self-locking structure, i.e., the periphery of preposition upper mold 1 and finished product upper mold 1 ' is respectively towards downward
Stretch out the sealed edge that matches with corresponding lower die periphery, thus in forging process, the contact with upper mold with lower die, it is mutual it
Between self-assembling formation locking effect, limit the offsetting power of forging.
The forging method that grinding tool is forged using the present embodiment is included the following steps：
The first step, after preposition upper mold 1 and preposition lower die 2 are separately mounted on forging equipment, by annulus shown in Fig. 4
Shape forge piece blank reheating is placed in the position positioning that preposition lower die 1 corresponds to receiving portion after being heated to predetermined temperature；
Second step starts forging equipment, make forge piece blank reheating correspond to the region of 2 forming part of preposition upper mold 1 and preposition lower die at
Shape is coincide with forging finished product shape, becomes semi-finished product forging shown in fig. 5；
Preposition upper mold 1 and preposition lower die 2 are dismantled from forging equipment and change finished product upper mold 1 ' and finished product by third step respectively
After lower die 2 ', the molded region of semi-finished product forging is placed in the positioning of 2 ' corresponding position of finished product lower die；
4th step starts forging equipment, and semi-finished product forging is made to correspond to the unformed area of finished product upper mold 1 ' and finished product lower die 2 '
Domain is shaped to coincide with forging finished product shape；
5th step will be molded complete forging and be put into shaving die, removes and flies shown in the inside and outside dash area in Fig. 6
Side completes forging, becomes finished product shown in Fig. 7.
The above forging process is practical to be divided into two stages, and the first stage is subregion formative stage.It would be heated to the forging of temperature
Base is put into forging molding in subregion molding die cavity, and part of it blank fills mold cavity in the case where forging force effect, completes
The forging of disk like members half part is molded, and remaining wall half blank is fixed by mold cavity, do not produced during mold pushes
Raw plastic deformation.The molding forging stock in part is put into forging molding in full molding die cavity by second stage, and part is molded
Forging is fixed during mold pushes by mold, does not generate plastic deformation, and remaining wall half forging stock presses through under mold
Journey generates plastic deformation, to complete the molding process of entire forging.
Embodiment two
The disk forging forging mold of the present embodiment is as shown in Figs. 8 to 11, also includes two pairs of molds, one pair of which is as schemed
8, it shown in 9, being made of preposition upper mold 1 and preposition lower die 2, after preposition upper mold 1 and preposition lower die 2 mold, inner cavity is split into two halves area,
By the forming part 3 coincideing with forging finished product shape and the receiving portion 4 of forge piece blank reheating shape is received to constitute, and receiving portion contains position
In the removable mold core installation position of preposition upper mold 1 and positioned at the recessed 4-1 of removable mold core positioning in 2 center of preposition lower die.In this way, as schemed
10, shown in 11, the finished product upper mold and finished product lower die essence that molding rear interior cavity coincide with forging finished product shape are by inlaying removable mold core
The preposition upper mold 1 and preposition lower die 2 of 1-1 is constituted.The removable mold core 1-1 have with forging finished product shape coincide forming part and
The convex that recessed 4-1 matches is positioned with removable mold core.
Compared with embodiment one, the forging method third step that grinding tool is forged using the present embodiment need to only be fixed removable mold core
Finished product upper mold is formed on to preposition upper mold 1, then will be under the molded region indexing of semi-finished product forging to preposition as finished product lower die
Mould corresponding position positions, and other steps are identical, therefore more convenient.
In addition to the implementation, the present invention can also have other embodiment.Such as monolithic molding can be divided on demand
More multi partition carries out.It is all using equivalent substitution or equivalent transformation formed technical solution, all fall within the present invention claims protection model
It encloses.
Claims (4)
1. a discharge plate forging forging mold, including mold under the finished product upper mold and finished product that rear interior cavity coincide with forging finished product shape
Mould, it is characterised in that：The finished product upper mold and finished product lower die are made of the preposition upper mold and preposition lower die for inlaying removable mold core；Institute
Preposition upper mold and preposition lower die molding rear interior cavity are stated by the forming part identical with forging finished product shape and receives forge piece blank reheating shape
Receiving portion constitute；
Contain positioned at the removable mold core installation position of preposition upper mold described accommodation section；
The removable mold core positioning that preposition lower die center is contained in described accommodation section is recessed；
The removable mold core has the forming part coincideing with forging finished product shape and positions recessed matching with the removable mold core
Convex.
2. disk forging forging mold according to claim 1, it is characterised in that：The periphery of the preposition upper mold is towards downward
Stretch out the sealed edge to match with preposition lower die periphery.
3. the forging method of disk forging forging mold according to claim 1, it is characterised in that include the following steps：
The first step after preposition upper mold and preposition lower die are separately mounted on forging equipment, forge piece blank reheating is placed in preposition
Lower die corresponds to the position positioning of receiving portion；
Second step starts forging equipment, and forge piece blank reheating is made to correspond to drape forming and the forging of preposition upper mold and preposition lower die forming part
Part finished product shape is coincide, and semi-finished product forging is become；
After preposition upper mold and preposition lower die are converted to finished product upper mold and finished product lower die, semi-finished product forging is had become for third step
Type region is placed in the positioning of finished product lower die corresponding position；
4th step starts forging equipment, make semi-finished product forging corresponds to finished product upper mold and finished product lower die unformed drape forming and
Forging finished product shape is coincide, and forging is completed.
4. the forging method of disk forging forging mold according to claim 3, it is characterised in that：The third step will be removable
Mold core, which is fixed in preposition upper mold, forms finished product upper mold, then by the molded region indexing of semi-finished product forging to as finished product lower die
Preposition lower die corresponding position positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312151.XA CN105750469B (en) | 2016-05-12 | 2016-05-12 | One discharge plate forging forging mold and forging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312151.XA CN105750469B (en) | 2016-05-12 | 2016-05-12 | One discharge plate forging forging mold and forging method |
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| Publication Number | Publication Date |
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| CN105750469A CN105750469A (en) | 2016-07-13 |
| CN105750469B true CN105750469B (en) | 2018-10-16 |
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| CN201610312151.XA Active CN105750469B (en) | 2016-05-12 | 2016-05-12 | One discharge plate forging forging mold and forging method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180519B (en) * | 2016-07-20 | 2018-02-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Die-forging forming mould and its manufacturing process |
| CN108971400B (en) * | 2018-10-12 | 2020-02-11 | 湖南金天钛业科技有限公司 | Method for producing titanium alloy special-shaped forge piece by using free forging equipment |
| CN112059100A (en) * | 2020-08-07 | 2020-12-11 | 沈阳中钛装备制造有限公司 | Sectional molding method of titanium alloy lower cross arm of automobile |
| CN119387486B (en) * | 2024-11-12 | 2025-10-03 | 重庆大学 | A precision forming method and die for ultra-large complex turbine disk forgings |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205816677U (en) * | 2016-05-12 | 2016-12-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of dish forging forging mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2772679Y (en) * | 2005-01-05 | 2006-04-19 | 东风锻造有限公司 | Closed forging mould of disk piece |
| CN100371129C (en) * | 2006-01-11 | 2008-02-27 | 重庆工学院 | Forging Forming Technology and Die of Coupler Frame of Railway Freight Car |
| CN201049377Y (en) * | 2006-12-06 | 2008-04-23 | 贵州安大航空锻造有限责任公司 | Large Combined Die for Isothermal Forging of Superalloy |
| CN101224484B (en) * | 2007-12-20 | 2010-11-10 | 贵州安大航空锻造有限责任公司 | Large-scale forging dies for near-isothermally forging disc forgeable piece |
| CN202123188U (en) * | 2011-06-24 | 2012-01-25 | 四川名齿齿轮制造有限公司 | Large gear combination forging die |
| RU2521929C1 (en) * | 2013-01-09 | 2014-07-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Липецкий государственный технический университет" (ЛГТУ) | Die for open-type bulk forging |
| CN103831386B (en) * | 2013-12-16 | 2016-01-27 | 胡谦 | A kind of production method of brake disc of high-speed train and forging mold |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205816677U (en) * | 2016-05-12 | 2016-12-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of dish forging forging mold |
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Address after: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Country or region after: China Address before: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Country or region before: China |
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